Chair Base

Abstract

A chair base including a support body and a plurality of foldable assembly legs is disclosed. The support body has a plurality of supporting legs. The plurality of foldable assembly legs is movably coupled with the foldable assembly legs.

1 . A chair base, comprising:
 a support body having a plurality of supporting legs; and   a plurality of foldable assembly legs movably coupled with the supporting legs.   
     
     
         2 . The chair base as claimed in  claim 1 , wherein each of the plurality of foldable assembly legs has a connection end and two assembling protrusions located on two sides of the connection end. 
     
     
         3 . The chair base as claimed in  claim 2 , wherein each of the plurality of supporting legs has an assembling groove for receiving the connection end, and two concave portions for respectively receiving the two assembling protrusions. 
     
     
         4 . The chair base as claimed in  claim 3 , wherein the connection end has an outer diameter equal to an inner diameter of the assembling groove. 
     
     
         5 . The chair base as claimed in  claim 3 , wherein each of the two assembling protrusions has a diameter smaller than that of each of the two concave portions. 
     
     
         6 . The chair base as claimed in  claim 1 , wherein each of the plurality of foldable assembly legs consists of a plurality of parts capable of mutual movement. 
     
     
         7 . The chair base as claimed in  claim 2 , wherein the two assembling protrusions are in a round shape. 
     
     
         8 . The chair base as claimed in  claim 2 , wherein the two assembling protrusions are in a round shape with a cutoff edge.